RFC 3168

E64274

RFC 3168 is an IETF standard that specifies the addition of Explicit Congestion Notification (ECN) to IP and TCP to enable end-to-end congestion signaling without relying solely on packet loss.

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Statements (52)

Predicate Object
instanceOf IETF Request for Comments
Internet Standard
abbreviation RFC 3168 self-link
appliesTo IPv4
IPv6
multicast traffic
unicast traffic
area Transport Area
author D. Black
K. Ramakrishnan
S. Floyd
BCPFor deployment and use of ECN in IP networks
category Standards Track
defines The Addition of Explicit Congestion Notification (ECN) to IP
surface form: Explicit Congestion Notification

host behavior for reacting to ECN marks
negotiation of ECN capability during TCP connection setup
router behavior for setting ECN codepoints
definesAbbreviation CWR
ECE
ECN
definesField Congestion Window Reduced flag in the TCP header
ECN bits in the IP header
ECN field in the IP header
ECN-Echo flag in the TCP header
definesMechanism end-to-end congestion notification without relying solely on packet loss
marking of packets instead of dropping to signal congestion
extendsProtocol IP
Internet Protocol
Transmission Control Protocol
surface form: TCP

Transmission Control Protocol
goal improve congestion control in the Internet
maintain end-to-end semantics of congestion control
reduce packet loss due to congestion
month September
obsoletes RFC 2481
publicationDate September 2001
publishedBy Internet Engineering Task Force
surface form: IETF

Internet Engineering Task Force
relatedConcept Active Queue Management
RED
Random Early Detection
RFCNumber 3168
status Proposed Standard
stream IETF Stream
title The Addition of Explicit Congestion Notification (ECN) to IP
updates RFC 1122
RFC 2003
RFC 2018
RFC 2401
RFC 2474
RFC 793
year 2001

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

RFC 3168 abbreviation RFC 3168 self-link